> ## Documentation Index > Fetch the complete documentation index at: https://docs.open.cx/llms.txt > Use this file to discover all available pages before exploring further. > Get a chat session — Retrieves details of a specific chat session by its ID. Use when orchestrating conversations from code — creating sessions, sending messages, or listing… # Get a chat session ## OpenAPI ````yaml get /chat/sessions/{session_id} openapi: 3.1.0 info: title: OpenCX API description: > OpenCX is an AI-powered, all-in-one platform for customer support and outbound communications. Use this API to manage your OpenCX organization's AI agents, actions, conversations, contacts, and more. To get started, generate a new API key from the dashboard. ## Authentication All API endpoints require authentication using a Bearer token. You can generate an API key from your OpenCX dashboard. ## Rate Limiting API requests are rate limited to ensure fair usage. The current limits are: - 100 requests per minute for standard endpoints - 1000 requests per minute for streaming endpoints ## Error Handling The API uses standard HTTP status codes and returns detailed error messages in the response body. version: 1.0-beta license: name: MIT url: https://opensource.org/licenses/MIT servers: - url: https://api.open.cx description: Production security: - bearerAuth: [] paths: /chat/sessions/{session_id}: get: summary: Get a chat session description: Retrieves details of a specific chat session by its ID. operationId: getChatSession parameters: - schema: type: string in: path name: session_id required: true description: The unique identifier of the chat session responses: '200': description: Default Response content: application/json: schema: $ref: '#/components/schemas/GetChatSessionOutput' '500': description: Internal Server Error content: application/json: schema: $ref: '#/components/schemas/ErrorDto' components: schemas: GetChatSessionOutput: $schema: https://json-schema.org/draft/2020-12/schema $id: '#/components/schemas/GetChatSessionOutput' type: object properties: id: type: string format: uuid pattern: >- ^([0-9a-fA-F]{8}-[0-9a-fA-F]{4}-[1-8][0-9a-fA-F]{3}-[89abAB][0-9a-fA-F]{3}-[0-9a-fA-F]{12}|00000000-0000-0000-0000-000000000000|ffffffff-ffff-ffff-ffff-ffffffffffff)$ status: type: string enum: - open - closed_resolved - closed_unresolved ai_closure_type: anyOf: - type: string enum: - assumed_resolved - handed_off - resolved - type: 'null' sentiment: anyOf: - type: string enum: - angry - happy - neutral - type: 'null' channel: type: object properties: type: $ref: '#/components/schemas/SessionChannel' required: - type additionalProperties: false contact: type: object properties: id: type: string format: uuid pattern: >- ^([0-9a-fA-F]{8}-[0-9a-fA-F]{4}-[1-8][0-9a-fA-F]{3}-[89abAB][0-9a-fA-F]{3}-[0-9a-fA-F]{12}|00000000-0000-0000-0000-000000000000|ffffffff-ffff-ffff-ffff-ffffffffffff)$ email: anyOf: - type: string format: email pattern: >- ^(?!\.)(?!.*\.\.)([A-Za-z0-9_'+\-\.]*)[A-Za-z0-9_+-]@([A-Za-z0-9][A-Za-z0-9\-]*\.)+[A-Za-z]{2,}$ - type: 'null' phone_number: anyOf: - type: string - type: 'null' name: anyOf: - type: string - type: 'null' custom_data: anyOf: - type: object propertyNames: type: string additionalProperties: type: string - type: 'null' created_at: type: string description: ISO 8601 timestamp of when the contact was created updated_at: type: string description: ISO 8601 timestamp of when the contact was last updated non_verified_name: anyOf: - type: string - type: 'null' non_verified_email: anyOf: - type: string - type: 'null' non_verified_custom_data: anyOf: - type: object propertyNames: type: string additionalProperties: anyOf: - type: string - type: number - type: boolean - type: 'null' required: - id - email - phone_number - name - custom_data - created_at - updated_at - non_verified_name - non_verified_email - non_verified_custom_data additionalProperties: false language: type: string assignee_id: anyOf: - type: string - type: 'null' custom_data: description: Session-level custom data stored on the chat session. type: object propertyNames: type: string additionalProperties: anyOf: - type: string - type: number - type: boolean team: type: object properties: id: type: string format: uuid pattern: >- ^([0-9a-fA-F]{8}-[0-9a-fA-F]{4}-[1-8][0-9a-fA-F]{3}-[89abAB][0-9a-fA-F]{3}-[0-9a-fA-F]{12}|00000000-0000-0000-0000-000000000000|ffffffff-ffff-ffff-ffff-ffffffffffff)$ name: type: string description: type: string required: - id - name additionalProperties: false handoff: type: object properties: sentiment: type: string enum: - angry - happy - neutral summary: type: string required: - summary additionalProperties: false ticketing_system: type: object properties: name: type: string enum: - dynamics365 - freshchat - freshdesk - freshdesk_ticketing - front - gorgias - hubspot - infobip - intercom - open - salesforce - salesforce_v2 - twilio_flex - zendesk - zendesk_v2 external_id: type: string id_type: type: string enum: - conversation_id - ticket_id - case_id - conversation_sid required: - name - external_id - id_type additionalProperties: false ticket_number: type: number assist_mode: type: boolean created_at: type: string format: date-time updated_at: type: string format: date-time required: - id - status - ai_closure_type - sentiment - channel - ticket_number - assist_mode - created_at - updated_at additionalProperties: false ErrorDto: type: object properties: statusCode: type: integer message: type: string error: type: string SessionChannel: $schema: https://json-schema.org/draft/2020-12/schema $id: '#/components/schemas/SessionChannel' type: string enum: - web - email - phone_voice - slack - sms - whatsapp - instagram - messenger - api - web_voice securitySchemes: bearerAuth: type: http scheme: bearer bearerFormat: JWT ````